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Search: Posts Made By: JimC
Forum: Messages 07-22-21, 10:55 AM
Replies: 16
Views: 13,382
Posted By JimC
I've come to the conclusion that the unknown item...

I've come to the conclusion that the unknown item in my W&B is the weight of the entire turbo system, which was installed after my airplane was weighed at the factory.

If the 2968 lbs is correct,...
Forum: Messages 06-18-21, 06:48 PM
Replies: 16
Views: 13,382
Posted By JimC
Those G models are light! I can't figure out how...

Those G models are light! I can't figure out how they're lighter than the Es and Fs, when they have the same fuselage as a P-model.
Forum: Messages 06-16-21, 06:02 PM
Replies: 16
Views: 13,382
Posted By JimC
Well, it took almost a year - but I had my plane...

Well, it took almost a year - but I had my plane accurately weighed. As expected, I gained 60+ lbs of useful load and the c.g. moved back almost two inches. I'm still trying to figure out why the...
Forum: Messages 07-15-20, 06:11 PM
Replies: 16
Views: 13,382
Posted By JimC
It helps tremendously. All I know at this point...

It helps tremendously. All I know at this point is that it's very likely wrong. Knowing where it's likely wrong will help me sleep at night. I figured the linear measurements were off - there was no...
Forum: Messages 07-13-20, 10:24 PM
Replies: 16
Views: 13,382
Posted By JimC
Mine was 137.08 at one point. That's a massive...

Mine was 137.08 at one point. That's a massive difference for similar model airplanes. I've surveyed 6 owners and I haven't found anyone farther forward than about 139.7. Most are 140 to 141.

137.08...
Forum: Messages 07-11-20, 06:49 PM
Replies: 16
Views: 13,382
Posted By JimC
BTW, I found all but one of my missing W&Bs. The...

BTW, I found all but one of my missing W&Bs. The one where the weight seems to "jump" forward is a reweighing from about 30 years ago. The weight and c.g move as though 111.5 lbs were added right...
Forum: Messages 07-11-20, 06:22 PM
Replies: 16
Views: 13,382
Posted By JimC
Mine's listed as ACTUAL. Also, each piece of...

Mine's listed as ACTUAL. Also, each piece of installed equipment is listed separately.

The 159 lb item in question is the last line item. The station of 115.5 is slightly forward of the average of...
Forum: Messages 07-10-20, 06:07 PM
Replies: 16
Views: 13,382
Posted By JimC
Unknown item in W&B

I'm looking through my old W&B docs, and I found this line item in the original factory W&B:

"MODEL 337TURBO SUPER SKYMASTR" [sic]
Weight: 159.0 lbs
Arm: 115.5

The airframe itself is listed as...
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